GetROP2 function (wingdi.h)
The GetROP2 function retrieves the foreground mix mode of the specified device context. The mix mode specifies how the pen or interior color and the color already on the screen are combined to yield a new color.
Syntax
int GetROP2(
[in] HDC hdc
);
Parameters
[in] hdc
Handle to the device context.
Return value
If the function succeeds, the return value specifies the foreground mix mode.
If the function fails, the return value is zero.
Remarks
Following are the foreground mix modes.
| Mix mode | Description |
|---|---|
| R2_BLACK | Pixel is always 0. |
| R2_COPYPEN | Pixel is the pen color. |
| R2_MASKNOTPEN | Pixel is a combination of the colors common to both the screen and the inverse of the pen. |
| R2_MASKPEN | Pixel is a combination of the colors common to both the pen and the screen. |
| R2_MASKPENNOT | Pixel is a combination of the colors common to both the pen and the inverse of the screen. |
| R2_MERGENOTPEN | Pixel is a combination of the screen color and the inverse of the pen color. |
| R2_MERGEPEN | Pixel is a combination of the pen color and the screen color. |
| R2_MERGEPENNOT | Pixel is a combination of the pen color and the inverse of the screen color. |
| R2_NOP | Pixel remains unchanged. |
| R2_NOT | Pixel is the inverse of the screen color. |
| R2_NOTCOPYPEN | Pixel is the inverse of the pen color. |
| R2_NOTMASKPEN | Pixel is the inverse of the R2_MASKPEN color. |
| R2_NOTMERGEPEN | Pixel is the inverse of the R2_MERGEPEN color. |
| R2_NOTXORPEN | Pixel is the inverse of the R2_XORPEN color. |
| R2_WHITE | Pixel is always 1. |
| R2_XORPEN | Pixel is a combination of the colors in the pen and in the screen, but not in both. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | wingdi.h (include Windows.h) |
| Library | Gdi32.lib |
| DLL | Gdi32.dll |